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  2. Konica Autoreflex - Wikipedia

    en.wikipedia.org/wiki/Konica_Autoreflex

    The AR-mount features a relatively short flange focal distance of 40.50 mm for a 35 mm film SLR camera. Its diameter is 47 mm. [ 3 ] The focal lengths offered by Konica ranged from 21 mm to 2000 mm along with a 15 mm fisheye lens ; from the start, one zoom, the 47-100mm f3.5 Hexanon AR-H , was offered.

  3. Lens mount - Wikipedia

    en.wikipedia.org/wiki/Lens_mount

    H-Mount 55 mm 35 mm: 47 mm 0.75 mm Screw Photography Hanimex (rebranding of Tokina M47) Panavision PV: 57.15 mm 35 mm: 49.5 mm Breech lock Cinematography B3-mount: 58 mm 2/3" Reverse bayonet Video Ikegami Mitchell BNCR: 61.468 mm 35 mm: 68 mm Breech lock Cinematography Zeiss Panflex 5522/23 for Contax RF: 64.50 mm 35 mm: Double bayonet ...

  4. Photo print sizes - Wikipedia

    en.wikipedia.org/wiki/Photo_print_sizes

    The alternative Super series, denoted SnR, nR Plus or nR+, has an aspect ratio of 3∶2 (or as close as possible) and thus provides a better fit for standard 135 film (35 mm) at sizes of 8 inches or above. 5R is twice the size of a 2R print, 6R twice the size of a 4R print and S8R twice the size of 6R. 4D/6D is a newer size for most consumer ...

  5. Paper size - Wikipedia

    en.wikipedia.org/wiki/Paper_size

    British architects and industrial designers once used a size called "Antiquarian", 31 in × 53 in (787 mm × 1,346 mm), as listed above, but given in the New Metric Handbook (Tutt & Adler 1981) as 813 mm × 1,372 mm (32 in × 54 in) for board size. This size is a little larger than ISO A0 (841 mm x 1189 mm), and for a short time, a size called ...

  6. Rack unit - Wikipedia

    en.wikipedia.org/wiki/Rack_unit

    Rack with sample component sizes including an A/V half-rack unit. A rack unit (abbreviated U or RU) is a unit of measure defined as 1 + 3 ⁄ 4 inches (44.45 mm). [1] [2] It is most frequently used as a measurement of the overall height of 19-inch and 23-inch rack frames, as well as the height of equipment that mounts in these frames, whereby the height of the frame or equipment is expressed ...

  7. VisionMap A3 Digital Mapping System - Wikipedia

    en.wikipedia.org/wiki/VisionMap_A3_Digital...

    Among the A3 System’s various final products are Super Large Frames (SLF), which are composed of all double frames of one sweep. The size of the SLF is 7,812 pixels along the flight and 62,517 pixels across the flight direction. The typical overlap between two consecutive SLFs in one strip is 30-60%.